package com.ruben;

import com.ruben.pojo.po.UserPO;

import java.util.Optional;
import java.util.function.Function;
import java.util.function.Supplier;

/**
 * @author <achao1441470436@gmail.com>
 * @since 2021/6/20 0020 8:34
 */
public class WrappersDemo {

}
